Standard interrupt assignments, Irq assignments for this motherboard – Asus NCCH-DR User Manual
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2 - 2 0
2 - 2 0
2 - 2 0
2 - 2 0
2 - 2 0
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
2.5.4
2.5.4
2.5.4
2.5.4
2.5.4
PCI/PCI-X slots
PCI/PCI-X slots
PCI/PCI-X slots
PCI/PCI-X slots
PCI/PCI-X slots
The PCI/PCI-X slots support cards
such as a LAN card, SCSI card, USB
card, and other cards that comply
with PCI 2.3 and PCI-X 1.0
specifications. The figure shows a
LAN card installed on a PCI slot.
2.5.3
2.5.3
2.5.3
2.5.3
2.5.3
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
I R Q
I R Q
I R Q
I R Q
I R Q
P r i o r i t y
P r i o r i t y
P r i o r i t y
P r i o r i t y
P r i o r i t y
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
S t a n d a r d F u n c t i o n
0
1
System Timer
1
2
Keyboard Controller
2
—
Re-direct to IRQ#9
3
11
Communications Port (COM2)*
4
12
Communications Port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy Disk Controller
7
15
Printer Port (LPT1)*
8
3
System CMOS/Real Time Clock
9
4
IRQ holder for PCI steering*
10
5
IRQ holder for PCI steering*
11
6
IRQ holder for PCI steering*
12
7
PS/2 Compatible Mouse Port*
13
8
Numeric Data Processor
14
9
Primary IDE Channel
15
10
Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
IRQ assignments for this motherboard
IRQ assignments for this motherboard
IRQ assignments for this motherboard
IRQ assignments for this motherboard
A
A
A
A
A
B
B
B
B
B
C
C
C
C
C
D
D
D
D
D
E
EE
EE
F
FF
FF
G
G
G
G
G
H
H
H
H
H
PCI-X1 slot
—
—
—
—
—
—
—
—
shared shared shared shared
PCI-X2 slot
—
—
—
—
—
—
—
—
shared shared shared shared
PCI slot1
—
—
—
—
shared shared shared shared
—
—
—
—
PCI slot2
—
—
—
—
shared shared shared shared
—
—
—
—
PCI slot3
—
—
—
—
shared shared shared shared
—
—
—
—
Onboard USB controller 1
shared
—
—
—
—
—
—
—
—
—
—
—
Onboard USB controller 2
—
—
—
shared
—
—
—
—
—
—
—
—
Onboard USB 2.0 controller
—
—
—
—
—
—
—
shared
—
—
—
—
Onboard SATA controller
—
—
—
—
—
—
—
—
—
shared
—
—
Onboard LAN2
shared
—
—
—
—
—
—
—
—
—
—
—
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
P X
I R Q 1
I R Q 1
I R Q 1
I R Q 1
I R Q 1 IRQ
IRQ
IRQ
IRQ
IRQ2
2
2
2
2 IRQ
IRQ
IRQ
IRQ
IRQ3
3
3
3
3 IRQ
IRQ
IRQ
IRQ
IRQ4
4
4
4
4
The P C I - X 1 s l o t
P C I - X 1 s l o t
P C I - X 1 s l o t
P C I - X 1 s l o t
P C I - X 1 s l o t on SATA models is colored g r e e n .
g r e e n .
g r e e n .
g r e e n .
g r e e n . When installing a
Zero-Channel RAID card, it is recommended that you install it on the
PCI-X1 slot for optimum compatibility and performance.